Final answer:
For laser procedures, instruments with an ebonized finish are ideal, as they minimize reflections that could distract the surgical team or interfere with laser function.
Step-by-step explanation:
The type of instrument finish that is useful for procedures involving a laser is B) Ebonized finish. This type of finish is designed to minimize reflection from the bright laser light, which can be a distraction during precision procedures. The ebonized finish has a dark, non-reflective surface that absorbs light instead of reflecting it, which is particularly useful in laser surgeries to ensure there is no interference with the laser's function.